<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
删除评论
<%
String k1 = request.getQueryString();//得到ID的值(id=数字).
String re = "\\D+"; //正则表达式
String result = k1.replaceAll(re, ""); //找到不是数字的字符,用""替代
Connection con;Statement sql;
try{Class.forName("com.mysql.jdbc.Driver"); } catch(ClassNotFoundException e){out.print("驱动异常");}
try{con=DriverManager.getConnection("jdbc:mysql://localhost/db_bbs?useUnicode=true&characterEncoding=utf-8","root","");
sql=con.createStatement();
String text="delete from comment where commentid = '"+result+"'" ;
sql.executeUpdate(text);
sql.close();
con.close();
out.print("成功删除评论");
}catch(SQLException event){out.print("删除评论失败");}
%>